weightlessness

音標(biāo)發(fā)音

adj性質(zhì)的同根詞
weighted：[數(shù)]加權(quán)的；加重的；衡量過的。
weighty：重的；重大的；嚴肅的。
weightless：失重的；無重量的。
adv性質(zhì)的同根詞
weightily：重要地；沉重地。
n性質(zhì)的同根詞
weight：重量，重力；負擔(dān)；砝碼；重要性。
weigh：權(quán)衡；稱重量。
weighing：稱重量；考慮權(quán)衡；懸浮。
weighting：加重，加權(quán)；衡量；（英）生活補貼。
weightiness：重；重要性。
v性質(zhì)的同根詞
weighing：稱量（weigh的現(xiàn)在分詞形式）；考慮斟酌。
weighted：加重量於…；重壓（weight的過去分詞）。
weighting：加權(quán)；稱量（weight的現(xiàn)在分詞）。
vi性質(zhì)的同根詞
weigh：重量爲(wèi)…；具有重要性；成爲(wèi)…的重荷；起錨。
vt性質(zhì)的同根詞
weight：加重量於，使變重。
weigh：權(quán)衡；考慮；稱…重量。

Astronauts in flight must adjust to weightlessness.
宇航員在飛行中得適應(yīng)失重狀態(tài).
Objective To observe bone mass changes during convalescence after simulated weightlessness.
目的觀察模擬失重恢複期骨質(zhì)的變化.
To apply engineering Methods : To the study of astronaut adaptation to weightlessness.
應(yīng)用工程方法於宇航員在無重狀態(tài)下的適應(yīng)性研究.
Objective To study the effects of short - term simulated weightlessness on human vectorcardiogram ( VCG ).
目的探討短期-6°頭低位臥牀模擬失重對人心電曏量圖 ( vectorcardiogram,VCG ) 的影響.
Objectives : To investigate the microflora in rats gastrointestinal under simulated weightlessness.
目的: 研究模擬失重條件下大鼠腸道菌群變化情況.

the state of having or appearing to have no weight; the fact of not being affected by gravity (= the force that makes things fall to the ground)

失重
Weightlessness is one of the problems which human must face with and solve during space flight.
失重是航空航天過程中人類必須麪臨和尅服的問題。
失重狀態(tài)